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g100num [7]
2 years ago
9

Find two integers whose sum is -3 and product is -18

Mathematics
2 answers:
Mariulka [41]2 years ago
7 0

let two integers be x and y

A.T.Q

x+y= -3

or, x= -3-y(i)

and xy= -18

or,(-3-y)y= -18[by(i)]

or,- -3y-y²= -18

or,-y²= -18+3

or, -y²= -15

or, y²=15

therefore y=✓15

from (i)

x= -3-✓15

y=√15

Brrunno [24]2 years ago
4 0

Answer:

3 and -6

Step-by-step explanation:

1. First, let's find the factors of -18

  • -1 and 18, or -18 and 1
  • -2 and 9, or -9 and 2
  • -3 and 6, or -6 and 3

2. Next, we have to find which of the factors add up to -3.

  • -1 + 18 = 17
  • -18+1=-17
  • -2+9=7
  • -9+2=-7
  • -3+6=3
  • -6+3=-3

3. Great! Now that we found the factors that result in a product of -18 and a sum of -3, the factors are 3 and -6.

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850-53x m= 720-39x m
insens350 [35]

Answer:

9.286

Step-by-step explanation:

I'm not guaranteeing this answer. If this is correctly written without any indication of how to deal with x, then here is as much as you can do.

850-53x m= 720-39x m                         Subtract 720 from both sides.

850 - 720 - 53x = 720 - 720 - 39xm      Combine

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-53x+53xm + 130 = -39x + 53xm            Combine

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xm = 130/14

xm = 9.28

===============================

You can use the same steps above. I'm abbreviating the steps because they are the same.

I'm sure there is more to the problem, but I can't imagine what it is. If you have additional directions, put it under this answer. I will get it as a comment.

850-53m= 720-39m

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130 - 53m = - 39m

130 = -39m + 53m

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Step-by-step explanation:


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Answer:

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